* {
    margin: 0;
}

.display-flex {
    display: flex;
}

.align-items-center {
    display: flex;
    align-items: center;
}

.align-items-end {
    display: flex;
    align-items: flex-end;
}

.justify-content-center {
    display: flex;
    justify-content: center;
}

.justify-content-between {
    display: flex;
    justify-content: space-between;
}

.justify-content-start {
    display: flex;
    justify-content: flex-start;
}

.flex-wrap {
    display: flex;
    flex-wrap: wrap;
}

.flex-nowrap {
    display: flex;
    flex-wrap: nowrap;
}
.flex-direction-column-reverse{
    display: flex;
    flex-direction: column-reverse;
}
.color-orange {
    color: orange;
}

.margin-r-10 {
    margin-right: 10px;
}

.margin-l-10 {
    margin-left: 10px;
}

/*t r b l*/
.margin-b-10 {
    margin-bottom: 10px;
}

.margin-tb-50 {
    margin: 50px 0;
}

.width-100 {
    width: 100px;
    /*border: 1px solid red;*/
}

.width-1000 {
    width: 1000px;
}

.width-900 {
    width: 900px;
}

.height-40 {
    height: 40px;
    line-height: 40px;
}

.border {
    border: 1px solid red;
}

.border-gray {
    border: 1px solid gray;
}

.border-blue {
    border: 1px solid blue;
}

.mid {
    margin: 30px 0;
}

.title-bar {
    font-size: 30px;
    color: rgb(230, 145, 55);
    font-family: 华文宋体;
    padding: 10px;
}

.padding {
    padding: 10px;
    border-top: 1px solid gray;
}

.font-name {
    color: black;
    font-family: 楷体;
    font-size: 20px;
    line-height: 30px;
}

.font-name:hover {
    color: blue;
    cursor: pointer;
    text-decoration: underline;
}

.font-content {
    color: gray;
    font-family: 楷体;
    font-size: 15px;
    line-height: 25px;
}

/*单行溢出*/
.single-over {
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

/*多行溢出*/
.many-over-2 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.many-over-3 {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

.text-align-center {
    text-align: center;
}

.text-align-right {
    text-align: right;
}